READY, SET…:

The wedge-tail triggerfish protects itself with two sharp dorsal spines: a large, thick one and a shorter spine behind it. The second spine serves as a trigger, locking the first one in place.
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READY, SET…:

The wedge-tail triggerfish protects itself with two sharp dorsal spines: a large, thick one and a shorter spine behind it. The second spine serves as a trigger, locking the first one in place.